September 18, 1937 is a day _______ all Chinese will remember forever.
| A．when | B．what | C．不填 | D．why |
I don’t like the way ________ you speak to her.
| A．of which | B．in that | C．which | D．that |
The professor along with his assistant came in, ________ by a group of excited students.
| A．follow | B．following | C．followed | D．to follow |
Nobody noticed the thief enter the house because the lights happened to _______.
| A．go over | B．go through | C．go on | D．go out |
The headmaster suggested that a good preparation ________ ahead of time.
| A．must be made | B．should be made | C．will be made | D．can be made |
--- What is that wonderful smell?
--- Our neighbor ________ for a party.
| A．have prepared | B．are preparing | C．prepare | D．will prepare |